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Make CloneToUninit dyn-compatible

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This commit is contained in:
Zachary S 2024-11-01 00:07:59 -05:00
parent 6503543d11
commit e0c1c8bc50
11 changed files with 39 additions and 38 deletions
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8
library/std/src/path.rs
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@ -2128,7 +2128,7 @@ impl AsRef<OsStr> for PathBuf {
/// ```
#[cfg_attr(not(test), rustc_diagnostic_item = "Path")]
#[stable(feature = "rust1", since = "1.0.0")]
// `Path::new` current implementation relies
// `Path::new` and `impl CloneToUninit for Path` current implementation relies
// on `Path` being layout-compatible with `OsStr`.
// However, `Path` layout is considered an implementation detail and must not be relied upon.
#[repr(transparent)]
@ -3170,9 +3170,9 @@ impl Path {
unsafe impl CloneToUninit for Path {
#[inline]
#[cfg_attr(debug_assertions, track_caller)]
unsafe fn clone_to_uninit(&self, dst: *mut Self) {
// SAFETY: Path is just a wrapper around OsStr
unsafe { self.inner.clone_to_uninit(&raw mut (*dst).inner) }
unsafe fn clone_to_uninit(&self, dst: *mut u8) {
// SAFETY: Path is just a transparent wrapper around OsStr
unsafe { self.inner.clone_to_uninit(dst) }
}
}